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I am seeing this error at the bottom of all my woocommerce product pages:

Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'woocommerce_get_sidebar' was given in /wp-includes/plugin.php on line 406

I am using it in conjunction with the responsive theme: http://themeid.com/responsive-theme/

I don't even know where to start! The plugin.php is a standard wordpress include so it's not specific to WooCommerce...

Any ideas where to start?

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Is the Woocommerce plugin activated & up to date? –  TheDeadMedic Jun 24 '13 at 5:13
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